【Tools】Vue + Eslint 配置指南

[Rocco]

初始化项目

vue create vue-example

配置

安装 VSCode 插件

• ESlint
• Prettier
• Vetur

VSCode settings.json 配置

.vscode/settings.json

{
  "eslint.alwaysShowStatus": true,
  "eslint.autoFixOnSave": true,
  "eslint.validate": [
    {
      "language": "vue",
      "autoFix": true
    },
    {
      "language": "html",
      "autoFix": true
    },
    {
      "language": "javascript",
      "autoFix": true
    }
  ],
  "vetur.format.defaultFormatter.html": "js-beautify-html",
  "vetur.format.defaultFormatterOptions": {
    "js-beautify-html": {
      "wrap_attributes": "force-aligned"
    }
  },
  "vetur.validation.template": false
}

eslint 配置

.eslintrc.js

module.exports = {
  root: true,
  env: {
    node: true,
  },
  extends: ['plugin:vue/recommended', '@vue/standard'],
  rules: {
    'no-console': process.env.NODE_ENV === 'production' ? 'error' : 'off',
    'no-debugger': process.env.NODE_ENV === 'production' ? 'error' : 'off',
    quotes: ['error', 'single'],
    semi: ['error', 'always'],
    'arrow-parens': ['error', 'always'],
    'comma-dangle': ['error', 'always-multiline'],
    'space-before-function-paren': [
      'error',
      {
        anonymous: 'never',
        named: 'never',
        asyncArrow: 'always',
      },
    ],
    camelcase: 'off',
    'no-sequences': 'off',
    'prefer-promise-reject-errors': 'off',
    'standard/no-callback-literal': 'off',
    'vue/name-property-casing': ['error', 'kebab-case'],
    'vue/max-attributes-per-line': [
      'error',
      {
        singleline: 1,
        multiline: {
          max: 1,
          allowFirstLine: true,
        },
      },
    ],
    'vue/html-closing-bracket-newline': [
      'error',
      {
        singleline: 'never',
        multiline: 'never',
      },
    ],
    'vue/singleline-html-element-content-newline': 'off',
  },
  parserOptions: {
    parser: 'babel-eslint',
  },
};

prettier 配置

.prettierrc

{
  "tabWidth": 2,
  "useTabs": false,
  "singleQuote": true,
  "semi": true,
  "trailingComma": "all",
  "bracketSpacing": true,
  "arrowParens": "always"
}

参考

• eslint-plugin-vue
• eslint